An Nawawi’s Hadith #2: Hadith of Jibreel A.S [Part I]
These external acts of worship have rewards, benefits and blessings in unending measure, making you attest and submit to Allah in a manner that is unique to a Muslim alone.
An Nawawi’s Hadith #1: All Actions Are By Intentions
Every single act you perform has an intention to it whether you are consciously aware of it or not, therefore, the basis of any good deed is sincerity to Allah.